Revert "Delete CC."

cc/output/delegating_renderer_unittest.cc

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "cc/output/delegating_renderer.h"
+
+#include "cc/test/fake_output_surface.h"
+#include "cc/test/layer_tree_test.h"
+#include "cc/test/render_pass_test_common.h"
+#include "cc/test/render_pass_test_utils.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace cc {
+
+class DelegatingRendererTest : public LayerTreeTest {
+ public:
+  DelegatingRendererTest() : LayerTreeTest(), output_surface_(NULL) {}
+  ~DelegatingRendererTest() override {}
+
+  scoped_ptr<OutputSurface> CreateOutputSurface() override {
+    scoped_ptr<FakeOutputSurface> output_surface =
+        FakeOutputSurface::CreateDelegating3d();
+    output_surface_ = output_surface.get();
+    return output_surface.Pass();
+  }
+
+ protected:
+  TestWebGraphicsContext3D* context3d_;
+  FakeOutputSurface* output_surface_;
+};
+
+class DelegatingRendererTestDraw : public DelegatingRendererTest {
+ public:
+  void BeginTest() override {
+    layer_tree_host()->SetPageScaleFactorAndLimits(1.f, 0.5f, 4.f);
+    PostSetNeedsCommitToMainThread();
+  }
+
+  void AfterTest() override {}
+
+  DrawResult PrepareToDrawOnThread(LayerTreeHostImpl* host_impl,
+                                   LayerTreeHostImpl::FrameData* frame,
+                                   DrawResult draw_result) override {
+    EXPECT_EQ(0u, output_surface_->num_sent_frames());
+
+    const CompositorFrame& last_frame = output_surface_->last_sent_frame();
+    EXPECT_FALSE(last_frame.delegated_frame_data);
+    EXPECT_FALSE(last_frame.gl_frame_data);
+    EXPECT_EQ(0.f, last_frame.metadata.min_page_scale_factor);
+    EXPECT_EQ(0.f, last_frame.metadata.max_page_scale_factor);
+    return DRAW_SUCCESS;
+  }
+
+  void DrawLayersOnThread(LayerTreeHostImpl* host_impl) override {
+    EXPECT_EQ(0u, output_surface_->num_sent_frames());
+  }
+
+  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
+    EXPECT_TRUE(result);
+    EXPECT_EQ(1u, output_surface_->num_sent_frames());
+
+    const CompositorFrame& last_frame = output_surface_->last_sent_frame();
+    DelegatedFrameData* last_frame_data = last_frame.delegated_frame_data.get();
+    ASSERT_TRUE(last_frame.delegated_frame_data);
+    EXPECT_FALSE(last_frame.gl_frame_data);
+    EXPECT_EQ(host_impl->DeviceViewport().ToString(),
+              last_frame_data->render_pass_list.back()->output_rect.ToString());
+    EXPECT_EQ(0.5f, last_frame.metadata.min_page_scale_factor);
+    EXPECT_EQ(4.f, last_frame.metadata.max_page_scale_factor);
+
+    EXPECT_EQ(
+        0u, last_frame.delegated_frame_data->resource_list.size());
+    EXPECT_EQ(1u, last_frame.delegated_frame_data->render_pass_list.size());
+
+    EndTest();
+  }
+};
+
+SINGLE_AND_MULTI_THREAD_DELEGATING_RENDERER_TEST_F(DelegatingRendererTestDraw);
+
+class DelegatingRendererTestResources : public DelegatingRendererTest {
+ public:
+  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
+
+  void AfterTest() override {}
+
+  DrawResult PrepareToDrawOnThread(LayerTreeHostImpl* host_impl,
+                                   LayerTreeHostImpl::FrameData* frame,
+                                   DrawResult draw_result) override {
+    frame->render_passes.clear();
+    frame->render_passes_by_id.clear();
+
+    TestRenderPass* child_pass = AddRenderPass(&frame->render_passes,
+                                               RenderPassId(2, 1),
+                                               gfx::Rect(3, 3, 10, 10),
+                                               gfx::Transform());
+    child_pass->AppendOneOfEveryQuadType(host_impl->resource_provider(),
+                                         RenderPassId(0, 0));
+
+    TestRenderPass* pass = AddRenderPass(&frame->render_passes,
+                                         RenderPassId(1, 1),
+                                         gfx::Rect(3, 3, 10, 10),
+                                         gfx::Transform());
+    pass->AppendOneOfEveryQuadType(
+        host_impl->resource_provider(), child_pass->id);
+    return draw_result;
+  }
+
+  void DrawLayersOnThread(LayerTreeHostImpl* host_impl) override {
+    EXPECT_EQ(0u, output_surface_->num_sent_frames());
+  }
+
+  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
+    EXPECT_TRUE(result);
+    EXPECT_EQ(1u, output_surface_->num_sent_frames());
+
+    const CompositorFrame& last_frame = output_surface_->last_sent_frame();
+    ASSERT_TRUE(last_frame.delegated_frame_data);
+
+    EXPECT_EQ(2u, last_frame.delegated_frame_data->render_pass_list.size());
+    // Each render pass has 11 resources in it. And the root render pass has a
+    // mask resource used when drawing the child render pass, as well as its
+    // replica (it's added twice). The number 11 may change if
+    // AppendOneOfEveryQuadType() is updated, and the value here should be
+    // updated accordingly.
+    EXPECT_EQ(24u, last_frame.delegated_frame_data->resource_list.size());
+
+    EndTest();
+  }
+};
+
+SINGLE_AND_MULTI_THREAD_DELEGATING_RENDERER_TEST_F(
+    DelegatingRendererTestResources);
+
+}  // namespace cc